waterabsorbent capacity test is disclosed in U.S. Pat. No. 5,741,581.Hydrogel-forming absorbent polymers are also commonly referred to as hydrocolloids" and can include polysaccharides such as carboxymethyl starch, carboxymethyl cellulose, and hydroxypropyl cellulose; nonionic types such as polyvinyl alcohol, andpolyvinyl ethers; cationic types such as polyvinyl pyridine, polyvinyl morpholinione